In Friday trading, Aetna Inc. shares are currently down about 0.8% on the day.

FORBES: Aetna Ex-Dividend Reminder

The impact could be amplified by another new effort, by health insurer Aetna Inc.

WSJ: An Rx? Pay More to Family Doctors

An Aetna Inc. official at an investor conference Monday suggested the rates might settle somewhere between Medicare and commercial.

WSJ: Hospitals Forge New Deals With Insurers

Spokesman Matthew Wiggin of insurer Aetna Inc. said that pending the legal appeals, "we intend to remain compliant" with the health-care law.

WSJ: Judge Sides With Virginia on Health Law

Aetna Inc. ( NYSE: AET), according to The Online Investor.

FORBES: Connect

The Goldman analysis found that this year Aetna Inc.

WSJ: Health Insurers Plan Over $1 Billion in Rebates

Insurers including Aetna Inc.

WSJ: Some Small Firms Try Early Insurance Renewal to Blunt Health Law

In late November, more details emerged from the health care overhaul bill, wearing on shares of Aetna more so than other providers like UnitedHealth Group Inc. (UNH), CIGNA (CI), and Humana (HUM).

FORBES: Health Care Providers Like Aetna Looking Healthy

Jive added new or expanded customer relationships with Aetna, Bridgepoint Education, Lafarge, ServiceSource, Palo Alto Networks, Information Security Forum, Genpact International Inc. and Plantronics.

FORBES: Jive Q1 Earnings, Revenue Top Street Estimates